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What is the magnitude of q

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Reference no: EM132762688

1..A 6.75-nC charge is located 1.91 m from a 4.42-nC point charge.

(a) Find the magnitude of the electrostatic force that one charge exerts on the other. 

2...Two metal balls A and B of negligible radius are floating at rest on Space Station Freedom between two metal bulkheads, connected by a taut nonconducting thread of length 2.70 m.Ball A carries charge q, and ball B carries charge 2q. Each ball is 1.86 m away from a bulkhead.

(a) If the tension in the string is 2.70 N, what is the magnitude of q? (Ignore any contribution from induced charge in the bulkheads.) 

(b) What happens to the system as time passes? Explain. (Assume the thread is oriented perpendicular to the bulkheads.) 

3..Three point charges, A = 1.95 µC, B = 7.30 µC, and C = -4.35 µC, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 1.95 µC charge.

magnitude  ________    N/C 

direction   __________  ° below the +x-axis

Reference no: EM132762688

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